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29 lines
1.2 KiB
Bash
29 lines
1.2 KiB
Bash
5 years ago
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#!/usr/bin/env bash
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# vim:ts=4:sts=4:sw=4:et
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#
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# Author: Hari Sekhon
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# Date: 2020-01-13 10:54:20 +0000 (Mon, 13 Jan 2020)
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#
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# https://github.com/harisekhon/bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help improve or steer this or other code I publish
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#
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# https://www.linkedin.com/in/harisekhon
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#
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# Quick script to convert CSV header to column numbers for quicker programming reference
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# and reducing human counting errors for large CSVs such as from AWS credential reports
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#
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# eg.
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#
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# ./csv_header_indices.sh <<< "user,arn,user_creation_time,password_enabled,password_last_used,password_last_changed,password_next_rotation,mfa_active,access_key_1_active,access_key_1_last_rotated,access_key_1_last_used_date,access_key_1_last_used_region,access_key_1_last_used_service,access_key_2_active,access_key_2_last_rotated,access_key_2_last_used_date,access_key_2_last_used_region,access_key_2_last_used_service,cert_1_active,cert_1_last_rotated,cert_2_active,cert_2_last_rotated"
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set -euo pipefail
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[ -n "${DEBUG:-}" ] && set -x
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head -n 1 "$@" |
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tr ',' '\n' |
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nl -v 0 # -v 0 starts indexing at zero as this is what you need when coding
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